GH3128 High Temperature Alloy Wire 7.5-9% Tungsten Content for Aircraft Engine Components up to 950°C
Price:
Negotiable
MOQ:
5 Kg
Delivery Time:
5-21 days
Brand:
Victory
Product Description
GH3128 (GH128) is a nickel-based alloy solid solution reinforced with tungsten and molybdenum, with grain boundaries strengthened by boron, cerium, and zirconium. This high-performance material offers superior plasticity, excellent creep strength, and outstanding oxidation resistance, along with excellent stamping and welding capabilities. Its comprehensive performance exceeds similar nickel-based solid solution alloys like GH3044 and GH3536.
Chemical Composition
| Brand | C | Si | Mn | S | P | Cr | Co | W | Mo | Ti | Al | Fe | Ni | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GH3128 | 0.05 | 0.8 | 0.5 | 0.013 | 0.013 | 19~22 | -- | 7.5~9 | 7.5~9 | 0.4~0.8 | 0.4~0.8 | ≤2.0 | rest | B≤0.005 Ce≤0.05 Zr≤0.06 |
Mechanical Properties
| Brand | Heat Treatment | Tensile Strength RmN/mm² | Yield Strength Rp0.2N/mm2 | Elongation As% | Brinell Hardness HB | Rockwell Hardness HRC |
|---|---|---|---|---|---|---|
| GH3128 | Solid Solution | 750 | 40 | -- |
Thermal Properties
Thermal Conductivity
| Temperature θ/℃ | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 950 |
|---|---|---|---|---|---|---|---|---|---|---|
| λ/(W/(m*C)) | 11.30 | 12.56 | 14.24 | 15.49 | 16.75 | 18.42 | 19.68 | 21.35 | 23.02 | 23.86 |
Linear Expansion Coefficient
| Temperature θ/℃ | 18~100 | 18~200 | 18~300 | 18~400 | 18~500 | 18~600 | 18~700 | 18~800 | 18~900 | 18~1000 |
|---|---|---|---|---|---|---|---|---|---|---|
| α/10-6C-1 | 11.25 | 11.86 | 12.68 | 12.80 | 13.37 | 13.68 | 14.46 | 15.19 | 15.66 | 15.29 |
Key Characteristics
- High temperature strength: Maintains excellent mechanical properties in high temperature environments up to 950°C
- Superior oxidation resistance: Resists oxidation and corrosion at elevated temperatures
- Excellent creep resistance: Withstands long-term continuous loading without deformation
- Strong corrosion resistance: Performs well in acidic, alkaline, and chloride environments
Application Areas
- Aeroengine combustion chamber flame tubes and afterburner housings
- Gas turbine combustion chamber structural components
- Turbine engine combustion chamber parts
- Afterburner components and regulator plates
Processing Requirements
- Forging temperature control: Ingot forging should not exceed 700°C, with final forging above 900°C
- Grain size management: Closely related to deformation degree and final forging temperature
- Welding compatibility: Supports argon arc welding, spot welding, and seam welding methods
Contact Information
Email: victory@dlx-alloy.com
OEM Service: We welcome customized sizes and provide experienced OEM & ODM manufacturing services.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changzhou Victory Technology Co., Ltd
Location
NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu
Contact Person
Victory